Tremulator by Demeter Amplification Body only. Free shipping. This is the red knob model, which is hard to find. If you're looking for one, please consider it. The sound is very good, and it makes the sound come forward just by turning it on. Therefore, it is also recommended to use it lightly and always on. The controls on the side allow you to apply a strong tremolo effect or a smooth nuance, and it has a simple operability as well as a wide range of sound creation. If you want to have a compact tremolo, please consider it. Please note that this is a used item, so we ask for no claims and no returns.